Adapter



FIG. 1 is a perspective view of an adapter showing my new design;

FIG. 2 is a partial enlarged perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a cross section view taken along Line 9-9 in FIG. 4; and,

FIG. 10 is a perspective view of the adapter shown in FIG. 1.

The broken lines shown represent unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for an adapter, as shown and described. 